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<a name="boost.logic.operator!="></a><div class="titlepage"></div>
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<h2><span class="refentrytitle">Function operator!=</span></h2>
<p>boost::logic::operator!= — Compare tribools for inequality. </p>
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<h2 class="refsynopsisdiv-title">Synopsis</h2>
<div class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../tribool/reference.html#header.boost.logic.tribool_hpp" title="Header &lt;boost/logic/tribool.hpp&gt;">boost/logic/tribool.hpp</a>&gt;

</span>
<span class="identifier">BOOST_CONSTEXPR</span> <a class="link" href="tribool.html" title="Class tribool">tribool</a> <span class="keyword">operator</span><span class="special">!=</span><span class="special">(</span><a class="link" href="tribool.html" title="Class tribool">tribool</a> x<span class="special">,</span> <a class="link" href="tribool.html" title="Class tribool">tribool</a> y<span class="special">)</span><span class="special">;</span>
<span class="identifier">BOOST_CONSTEXPR</span> <a class="link" href="tribool.html" title="Class tribool">tribool</a> <span class="keyword">operator</span><span class="special">!=</span><span class="special">(</span><a class="link" href="tribool.html" title="Class tribool">tribool</a> x<span class="special">,</span> <span class="keyword">bool</span> y<span class="special">)</span><span class="special">;</span>
<span class="identifier">BOOST_CONSTEXPR</span> <a class="link" href="tribool.html" title="Class tribool">tribool</a> <span class="keyword">operator</span><span class="special">!=</span><span class="special">(</span><span class="keyword">bool</span> x<span class="special">,</span> <a class="link" href="tribool.html" title="Class tribool">tribool</a> y<span class="special">)</span><span class="special">;</span>
<span class="identifier">BOOST_CONSTEXPR</span> <a class="link" href="tribool.html" title="Class tribool">tribool</a> <span class="keyword">operator</span><span class="special">!=</span><span class="special">(</span><span class="identifier">indeterminate_keyword_t</span><span class="special">,</span> <a class="link" href="tribool.html" title="Class tribool">tribool</a> x<span class="special">)</span><span class="special">;</span>
<span class="identifier">BOOST_CONSTEXPR</span> <a class="link" href="tribool.html" title="Class tribool">tribool</a> <span class="keyword">operator</span><span class="special">!=</span><span class="special">(</span><a class="link" href="tribool.html" title="Class tribool">tribool</a> x<span class="special">,</span> <span class="identifier">indeterminate_keyword_t</span><span class="special">)</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="id-1.3.22.5.2.10.4"></a><h2>Description</h2>
<p>

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<td><p><span class="term">Returns:</span></p></td>
<td>
<p>the result of comparing two tribool values for inequality, according to the following table: </p>
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<td align="center" valign="middle"><span class="bold"><strong><code class="computeroutput">!=</code></strong></span></td>
<td align="center" valign="middle"><span class="bold"><strong>false</strong></span></td>
<td align="center" valign="middle"><span class="bold"><strong>true</strong></span></td>
<td align="center" valign="middle"><span class="bold"><strong>indeterminate</strong></span></td>
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<td align="center" valign="middle"><span class="bold"><strong>false</strong></span></td>
<td align="center" valign="middle">false</td>
<td align="center" valign="middle">true</td>
<td align="center" valign="middle">indeterminate</td>
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<td align="center" valign="middle"><span class="bold"><strong>true</strong></span></td>
<td align="center" valign="middle">true</td>
<td align="center" valign="middle">false</td>
<td align="center" valign="middle">indeterminate</td>
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<td align="center" valign="middle"><span class="bold"><strong>indeterminate</strong></span></td>
<td align="center" valign="middle">indeterminate</td>
<td align="center" valign="middle">indeterminate</td>
<td align="center" valign="middle">indeterminate</td>
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<td><p><span class="term">Throws:</span></p></td>
<td>Will not throw.</td>
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<div class="copyright-footer">Copyright © 2002-2004 Douglas Gregor<p>Use, modification and distribution is subject to the Boost
    Software License, Version 1.0. (See accompanying file
    <code class="filename">LICENSE_1_0.txt</code> or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)</p>
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